* {
    margin: 0;
    padding: 0;
}
html,
body,
div {
    height: 100%;
    overflow: hidden;
}
body {
    font-family: "Arial", "Microsoft YaHei", "simsun";
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-weight: normal;
    background: url('http://ww4.sinaimg.cn/large/0060lm7Tly1fmniqb55ezj31gs0xcn35.jpg') no-repeat center center;
    background-size: cover;
}
#page404 {
    display: table;
    position: absolute;
    width: 37.2%;
    text-align: center;
    left: 0;
    top: 0;
    bottom: 0;
    font-weight: 100;
    background: rgba(0, 0, 0, .4);
    color: rgba(255, 255, 255, .9);
}
#content {
    display: table-cell;
    vertical-align: middle;
}
#content h1 {
    font-size: 128px;
    line-height: 1;
    margin-bottom: 30px;
}
#content p {
    margin-bottom: 10px;
}
#content a {
    text-decoration: none;
    color: rgba(255, 255, 255, .9);
}
#content a:hover {
    color: rgba(255, 255, 255, .7);
}